Pac-12 morning links

May you have the hindsight to know where you've been, the foresight to know where you are going, and the insight to know when you have gone too far. Arizona picked up a commitment from a highly-regarded quarterback prospect. Arizona State WR Cameron Smith will miss the 2015 season due to a knee injury. California WR Chris Harper explained his decision to leave early for the NFL draft. For Colorado fans, here's a video of a grandfather-grandson relationship worth watching.